From 5210c1f71e66deb1e4d4be84f72f30d6061b292b Mon Sep 17 00:00:00 2001
From: Victor Kareh <vkareh@redhat.com>
Date: Mon, 8 Jul 2019 16:55:43 -0400
Subject: EomImage: Check GdkPixbuf for an ICC profile before falling back to
sRGB
If an image's ICC profile cannot be extracted check whether GdkPixbuf
was able to extract one before falling back to sRGB. This makes it
possible to color correct TIFF images.
https://bugzilla.gnome.org/show_bug.cgi?id=727467
upstream commit:
https://gitlab.gnome.org/GNOME/eog/commit/48e971cb
---
src/eom-image.c | 30 ++++++++++++++++++++++++++----
1 file changed, 26 insertions(+), 4 deletions(-)
diff --git a/src/eom-image.c b/src/eom-image.c
index bb4c5b2..8e52832 100644
--- a/src/eom-image.c
+++ b/src/eom-image.c
@@ -632,10 +632,32 @@ eom_image_apply_display_profile (EomImage *img, cmsHPROFILE screen)
if (screen == NULL) return;
if (priv->profile == NULL) {
- /* Assume sRGB color space for images without ICC profile */
- eom_debug_message (DEBUG_LCMS, "Image has no ICC profile. "
- "Assuming sRGB.");
- priv->profile = cmsCreate_sRGBProfile ();
+ /* Check whether GdkPixbuf was able to extract a profile */
+ const char* data = gdk_pixbuf_get_option (priv->image,
+ "icc-profile");
+
+ if(data) {
+ gsize profile_size = 0;
+ guchar *profile_data = g_base64_decode(data,
+ &profile_size);
+
+ if (profile_data && profile_size > 0) {
+ eom_debug_message (DEBUG_LCMS,
+ "Using ICC profile "
+ "extracted by GdkPixbuf");
+ priv->profile =
+ cmsOpenProfileFromMem(profile_data,
+ profile_size);
+ g_free(profile_data);
+ }
+ }
+
+ if(priv->profile == NULL) {
+ /* Assume sRGB color space for images without ICC profile */
+ eom_debug_message (DEBUG_LCMS, "Image has no ICC profile. "
+ "Assuming sRGB.");
+ priv->profile = cmsCreate_sRGBProfile ();
+ }
}
/* TODO: support other colorspaces than RGB */
--
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